import $ from "jquery";

import render_stream_specific_notification_row from "../templates/settings/stream_specific_notification_row.hbs";

import * as channel from "./channel";
import {$t} from "./i18n";
import * as notifications from "./notifications";
import {page_params} from "./page_params";
import * as settings_config from "./settings_config";
import * as settings_org from "./settings_org";
import * as settings_ui from "./settings_ui";
import * as stream_edit from "./stream_edit";
import * as stream_settings_data from "./stream_settings_data";
import * as unread_ui from "./unread_ui";
import {user_settings} from "./user_settings";

export const user_settings_panel = {};

function rerender_ui() {
    const unmatched_streams_table = $("#stream-specific-notify-table");
    if (unmatched_streams_table.length === 0) {
        // If we haven't rendered "notification settings" yet, do nothing.
        return;
    }

    const unmatched_streams =
        stream_settings_data.get_unmatched_streams_for_notification_settings();

    unmatched_streams_table.find(".stream-row").remove();

    for (const stream of unmatched_streams) {
        unmatched_streams_table.append(
            render_stream_specific_notification_row({
                stream,
                stream_specific_notification_settings:
                    settings_config.stream_specific_notification_settings,
                is_disabled:
                    settings_config.all_notifications(user_settings)
                        .show_push_notifications_tooltip,
            }),
        );
    }

    if (unmatched_streams.length === 0) {
        unmatched_streams_table.css("display", "none");
    } else {
        unmatched_streams_table.css("display", "table-row-group");
    }
}

function change_notification_setting(setting, value, status_element) {
    const data = {};
    data[setting] = value;
    settings_ui.do_settings_change(channel.patch, "/json/settings", data, status_element);
}

function update_desktop_icon_count_display(settings_panel) {
    const container = $(settings_panel.container);
    const settings_object = settings_panel.settings_object;
    container
        .find(".setting_desktop_icon_count_display")
        .val(settings_object.desktop_icon_count_display);
    if (!settings_panel.for_realm_settings) {
        unread_ui.update_unread_counts();
    }
}

export function set_notification_batching_ui(container, setting_seconds, force_custom) {
    const edit_elem = container.find(".email_notification_batching_period_edit_minutes");
    const valid_period_values = settings_config.email_notifications_batching_period_values.map(
        (x) => x.value,
    );

    // We display the custom widget if either the user just selected
    // custom_period, or the current value cannot be represented with
    // the existing set of values.
    const show_edit_elem = force_custom || !valid_period_values.includes(setting_seconds);
    const select_elem_val = show_edit_elem ? "custom_period" : setting_seconds;

    container.find(".setting_email_notifications_batching_period_seconds").val(select_elem_val);
    edit_elem.val(setting_seconds / 60);
    settings_org.change_element_block_display_property(edit_elem.attr("id"), show_edit_elem);
}

export function set_enable_digest_emails_visibility(settings_panel) {
    const container = $(settings_panel.container);
    const for_realm_settings = settings_panel.for_realm_settings;
    if (page_params.realm_digest_emails_enabled) {
        if (for_realm_settings) {
            container.find(".other_email_notifications").show();
            return;
        }
        container.find(".enable_digest_emails_label").parent().show();
    } else {
        if (for_realm_settings) {
            container.find(".other_email_notifications").hide();
            return;
        }
        container.find(".enable_digest_emails_label").parent().hide();
    }
}

export function set_enable_marketing_emails_visibility() {
    const container = $("#user-notification-settings");
    if (page_params.corporate_enabled) {
        container.find(".enable_marketing_emails_label").parent().show();
    } else {
        container.find(".enable_marketing_emails_label").parent().hide();
    }
}

export function set_up(settings_panel) {
    const container = $(settings_panel.container);
    const settings_object = settings_panel.settings_object;
    const notification_sound_elem = $(settings_panel.notification_sound_elem);
    const for_realm_settings = settings_panel.for_realm_settings;

    container.find(".play_notification_sound").on("click", () => {
        if (settings_object.notification_sound !== "none") {
            notification_sound_elem[0].play();
        }
    });

    update_desktop_icon_count_display(settings_panel);

    const notification_sound_dropdown = container.find(".setting_notification_sound");
    notification_sound_dropdown.val(settings_object.notification_sound);

    container.find(".enable_sounds, .enable_stream_audible_notifications").on("change", () => {
        if (
            container.find(".enable_stream_audible_notifications").prop("checked") ||
            container.find(".enable_sounds").prop("checked")
        ) {
            notification_sound_dropdown.prop("disabled", false);
            notification_sound_dropdown.parent().removeClass("control-label-disabled");
        } else {
            notification_sound_dropdown.prop("disabled", true);
            notification_sound_dropdown.parent().addClass("control-label-disabled");
        }
    });

    set_notification_batching_ui(
        container,
        settings_object.email_notifications_batching_period_seconds,
    );

    set_enable_digest_emails_visibility(settings_panel);

    if (for_realm_settings) {
        // For the realm-level defaults page, we use the common
        // settings_org.js handlers, so we can return early here.
        return;
    }

    // Common handler for sending requests to the server when an input
    // element is changed.
    container.find(".notification-settings-form").on("change", "input, select", function (e) {
        e.preventDefault();
        e.stopPropagation();
        const input_elem = $(e.currentTarget);
        if (input_elem.parents("#stream-specific-notify-table").length) {
            stream_edit.stream_setting_changed(e, true);
            return;
        }
        let setting_name = input_elem.attr("name");
        let setting_value = settings_org.get_input_element_value(this);

        if (setting_name === "email_notifications_batching_period_seconds") {
            if (input_elem.val() === "custom_period") {
                set_notification_batching_ui(
                    container,
                    settings_object.email_notifications_batching_period_seconds,
                    true,
                );
                return;
            }
            set_notification_batching_ui(container, setting_value);
        } else if (setting_name === "email_notification_batching_period_edit_minutes") {
            // This field is in minutes, but the actual setting is seconds
            setting_value = setting_value * 60;
            set_notification_batching_ui(container, setting_value);
            setting_name = "email_notifications_batching_period_seconds";
        }

        change_notification_setting(
            setting_name,
            setting_value,
            input_elem.closest(".subsection-parent").find(".alert-notification"),
        );
    });

    // This final patch of settings are ones for which we
    // intentionally don't let organization administrators set
    // organization-level defaults.
    container.find(".send_test_notification").on("click", () => {
        notifications.send_test_notification(
            $t({defaultMessage: "This is what a Zulip notification looks like."}),
        );
    });

    set_enable_marketing_emails_visibility();
    rerender_ui();
}

export function update_page(settings_panel) {
    const container = $(settings_panel.container);
    const settings_object = settings_panel.settings_object;
    for (const setting of settings_config.all_notification_settings) {
        switch (setting) {
            case "enable_offline_push_notifications": {
                if (!page_params.realm_push_notifications_enabled) {
                    // If push notifications are disabled at the realm level,
                    // we should just leave the checkbox always off.
                    break;
                }
                container.find(`.${CSS.escape(setting)}`).prop("checked", settings_object[setting]);
                break;
            }
            case "desktop_icon_count_display": {
                update_desktop_icon_count_display(settings_panel);
                break;
            }
            case "email_notifications_batching_period_seconds": {
                set_notification_batching_ui(container, settings_object[setting]);
                break;
            }
            case "notification_sound": {
                container.find(`.setting_${CSS.escape(setting)}`).val(settings_object[setting]);
                break;
            }
            default: {
                container.find(`.${CSS.escape(setting)}`).prop("checked", settings_object[setting]);
                break;
            }
        }
    }
    rerender_ui();
}

export function initialize() {
    user_settings_panel.container = "#user-notification-settings";
    user_settings_panel.settings_object = user_settings;
    user_settings_panel.notification_sound_elem = "#user-notification-sound-audio";
    user_settings_panel.for_realm_settings = false;
}
